/**************************************************************************** * apps/graphics/NxWidgets/libnxwidgets/include/ibitmap.hxx * * Copyright (C) 2012 Gregory Nutt. All rights reserved. * Author: Gregory Nutt * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3. Neither the name NuttX, NxWidgets, nor the names of its contributors * me be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE * POSSIBILITY OF SUCH DAMAGE. * **************************************************************************** * * Portions of this package derive from Woopsi (http://woopsi.org/) and * portions are original efforts. It is difficult to determine at this * point what parts are original efforts and which parts derive from Woopsi. * However, in any event, the work of Antony Dzeryn will be acknowledged * in most NxWidget files. Thanks Antony! * * Copyright (c) 2007-2011, Antony Dzeryn * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions are met: * * * Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * * Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * Neither the names "Woopsi", "Simian Zombie" nor the * names of its contributors may be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Antony Dzeryn ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL Antony Dzeryn BE LIABLE FOR ANY * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * ****************************************************************************/ #ifndef __INCLUDE_IBITMAP_HXX #define __INCLUDE_IBITMAP_HXX /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include /**************************************************************************** * Pre-Processor Definitions ****************************************************************************/ /**************************************************************************** * Implementation Classes ****************************************************************************/ #if defined(__cplusplus) namespace NXWidgets { /** * Abstract class defining the basic properties of a source bitmap. The * primary intent of this class is two support a variety of sources of * bitmap data with various kinds of compression. */ class IBitmap { public: /** * A virtual destructor is required in order to override the IBitmap * destructor. We do this because if we delete IBitmap, we want the * destructor of the class that inherits from IBitmap to run, not this * one. */ virtual ~IBitmap(void) { } /** * Get the bitmap's color format. * * @return The bitmap's color format. */ virtual const uint8_t getColorFormat(void) const = 0; /** * Get the bitmap's color format. * * @return The bitmap's color format. */ virtual const uint8_t getBitsPerPixel(void) const = 0; /** * Get the bitmap's width (in pixels/columns). * * @return The bitmap's width (in pixels/columns). */ virtual const nxgl_coord_t getWidth(void) const = 0; /** * Get the bitmap's height (in rows). * * @return The bitmap's height (in rows). */ virtual const nxgl_coord_t getHeight(void) const = 0; /** * Get the bitmap's width (in bytes). * * @return The bitmap's width. */ virtual const size_t getStride(void) const = 0; /** * Use the colors associated with a selected image. * * @param selected. true: Use colors for a selected widget, * false: Use normal (default) colors. */ virtual void setSelected(bool selected) = 0; /** * Get one row from the bit map image using the selected colors. * * @param x The offset into the row to get * @param y The row number to get * @param width The number of pixels to get from the row * @param data The memory location provided by the caller * in which to return the data. This should be at least * (getWidth()*getBitsPerPixl() + 7)/8 bytes in length * and properly aligned for the pixel color format. * @param True if the run was returned successfully. */ virtual bool getRun(nxgl_coord_t x, nxgl_coord_t y, nxgl_coord_t width, FAR void *data) = 0; }; } #endif // __cplusplus #endif // __INCLUDE_IBITMAP_HXX